IDTSTAC9250G3TAEA1XR IDT, Integrated Device Technology Inc, IDTSTAC9250G3TAEA1XR Datasheet - Page 13

• Manufacturer Part Number: IDTSTAC9250G3TAEA1XR
• Description: IC AUD CODEC 2CH HD 3.3V 48-LQFP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Audio Codec, HDr

Specifications of IDTSTAC9250G3TAEA1XR

• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: Yes
• S/n Ratio, Adcs / Dacs (db) Typ: 89 / 100
• Dynamic Range, Adcs / Dacs (db) Typ: 88 / 99
• Voltage - Supply, Analog: 3.14 V ~ 3.47 V; 3.8 V ~ 4.2 V; 4.75 V ~ 5.25 V
• Voltage - Supply, Digital: 3.14 V ~ 3.47 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: STAC9250G3TAEA1XR

IDT™
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
STAC9250/9251
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
2.3.
(T
Frequency = 48 KHz; 0dB = 1 VRMS, 10 KΩ / 50 pF load, Testbench Characterization BW: 20 Hz – 20 KHz, 0dB set-
tings on all gain stages)
Min and Max performance targets are not included here, as specific system characteristics, such as layout, routing and
external CODEC component selection, influence the performance of the CODEC. To receive min/max levels for your
system, please send us a unit and IDT will perform a full audio test suite and provide you with the results. Contact IDT
for more information.
Full Scale Input Voltage:
Full Scale Output:
Dynamic Range: -60dB signal level (Note 2)
Analog Frequency Response (Note 3)
Total Harmonic Distortion + Noise (-3dB): (Note 4)
SNR (idle channel) (Note 5)
A/D & D/A Digital Filter Pass Band (Note 6)
A/D & D/A Digital Filter Transition Band
A/D & D/A Digital Filter Stop Band
A/D & D/A Digital Filter Stop Band Rejection (Note 7)
DAC Out-of-Band Rejection (Note 8)
Group Delay (48 KHz sample rate)
Power Supply Rejection Ratio (1 KHz)
Power Supply Rejection Ratio (20 KHz)
Any Analog Input to ADC (10 KHz Signal Frequency) Crosstalk
Any Analog Input to ADC (1 KHz Signal Frequency) Crosstalk
Spurious Tone Rejection
ambient
All Analog Inputs with out boost
All Analog Inputs with boost (Note 1)
PCM to All Analog Outputs
All Analog Inputs to A/D (1 VRMS Input Referenced)
PCM to All Analog Outputs
All Analog Inputs to A/D (-3dBV input Level)
HEADPHONE_OUT (32 Ω load)
HEADPHONE_OUT (10 KΩ load)
DAC to All Analog Outputs
All Analog Inputs to A/D with High Pass Filter enabled
PCM (DAC) to All Analog Outputs
HEADPHONE_OUT (32 Ω load) per channel (peak)
STAC9250/9251 5V Analog Performance Characteristics
= 25 ºC, AVdd = 5.0 V ± 5%, DVdd = 3.3 V ± 5%, AVss = DVss = 0 V; 1 KHz input sine wave; Sample
Parameter
13
19,200
28,800
-100
Min
-55
10
20
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
STAC9250/9251
-100
1.00
0.03
1.00
Typ
100
-90
-87
-87
-90
-70
-40
-90
-90
50
99
88
89
-
-
-
-
-
-
-
30,000
19,200
28,800
Max
1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PC AUDIO
V 1.2 01/08
Vrms
Vrms
Vrms
Unit
mW
ms
dB
dB
Hz
dB
dB
dB
dB
dB
dB
Hz
Hz
Hz
dB
dB
dB
dB
dB
dB
dB